1000307 has 12 divisors (see below), whose sum is σ = 1257648. Its totient is φ = 778800.

The previous prime is 1000303. The next prime is 1000313. The reversal of 1000307 is 7030001.

It is not a de Polignac number, because 1000307 - 2² = 1000303 is a prime.

It is a super-2 number, since 2×1000307² = 2001228188498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is not an unprimeable number, because it can be changed into a prime (1000303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (104804).

2^1000307 is an apocalyptic number.

1000307 is a deficient number, since it is larger than the sum of its proper divisors (257341).

1000307 is a wasteful number, since it uses less digits than its factorization.

1000307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 1000307 is about 1000.1534882207. The cubic root of 1000307 is about 100.0102322863.

Adding to 1000307 its reverse (7030001), we get a palindrome (8030308).

The spelling of 1000307 in words is "one million, three hundred seven", and thus it is an aban number.